# Onsite FieldPro vs ePROMIS

The clearest difference is update cadence: Onsite FieldPro at weekly against ePROMIS's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Onsite FieldPro ships an update weekly, ePROMIS every 4 months. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Onsite FieldPro | ePROMIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 176 MB | 65 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [ONSITE SAL](https://appshunter.io/developer/1100336816) | [ePROMIS Solutions](https://appshunter.io/developer/1570262490) |

## What reviewers say

### Onsite FieldPro

[App page](https://appshunter.io/ios/app/onsite-fieldpro/id1255728033)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ePROMIS

[App page](https://appshunter.io/ios/app/epromis/id6464270450)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Onsite FieldPro free?

Onsite FieldPro is free to download, with no in-app purchases.

### Is ePROMIS free?

ePROMIS is free to download, with no in-app purchases.

### Do Onsite FieldPro or ePROMIS have ads?

Neither Onsite FieldPro nor ePROMIS shows ads.

### Which is updated more often, Onsite FieldPro or ePROMIS?

Onsite FieldPro ships an update weekly, and ePROMIS every 4 months. Most recently, Onsite FieldPro was updated on September 14, 2026 and ePROMIS on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*